cwna certified wireless network administrator official study guide phần 6 pptx

... causes overhead in an ad hoc network CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 163 Chapter 6 – Wireless LAN Organizations and Standards 16. "ISM" stands for ... wireless link. Dynamically generated user- and session-based WEP keys are distributed to secure the connection. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 165...

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... (GSM). CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 361 Glossary Wireless LAN Association (WLANA) - Founded March 19 96, this organization's charter is the promotion of wireless ... a traditional data link control protocol. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Glo...

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... Privacy 260 Why WEP Was Chosen 261 WEP Keys 262 Static WEP Keys 263 Centralized Encryption Key Servers 264 WEP Usage 265 Advanced Encryption Standard 266 Filtering 266 SSID Filtering 266 MAC ... Review Questions 160 Answers to Review Questions 164 802.11 Network Architecture 167 Locating a Wireless LAN 168 Service Set Identifier 168 Beacons 168 Time Synchronization 169 FH...

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... negative from the reference point would be - 26 dBm. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 2 – RF Fundamentals 36 dB 16 6.110 40log10 130 2.5 log10 log10 = ∗= =       =         =∆ mW W P P P i f ... hoses. As long CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 13 Chapter 1 - Introduction to Wireless LANs 6. Why wo...

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... allowing the administrator to control traffic across the wireless link. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 83 Chapter 4 – Wireless LAN Infrastructure Devices In 19 26, the ... Each of these modes is described below. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 4 – Wireless LAN Infrastructure Devices 86 Wireless LAN...

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... additional access points. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Antennas and Accessories CWNA Exam Objectives ... Converter CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 4 – Wireless LAN Infrastructure Devices 102 20. D. A USB adapter connects a computer’s USB...

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... (dBm) (watts) 30 6 36 4 27 9 36 4 24 12 36 4 21 15 36 4 18 18 36 4 15 21 36 4 12 24 36 4 The specific information contained in Figure 6. 2 is not covered on the CWNA exam. The information ... specified that wireless LANs may use. They are the 900 MHz, 2.4 GHz, and 5.8 GHz bands. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study G...

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... physical space. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Troubleshooting Wireless LAN Installations CWNA Exam Objectives ... size that will trigger CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. MAC and Physica...

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... channel use with wireless LANs is imperative for any good wireless LAN administrator. As a wireless LAN consultant, you will undoubtedly CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. ... filtering works in a wireless LAN. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 10 – Wireless LAN Security 270 FIGURE 10.5 Protocol Filtering A...

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... your wireless LAN D. Users can attach to the network from their car parked in the facility's parking lot CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. Chapter 10 – Wireless ... security measures are not in place. CWNA Study Guide © Copyright 2002 Planet3 Wireless, Inc. 289 Chapter 10 – Wireless LAN Security 5. Which piece of information on a wirel...

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